20927712

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{409}}^1$

素因数の和:476

約数の個数: 96

約数和(自身を含む): 60752160

約数和(自身を除く): 39824448

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 41, 48, 52, 78, 82, 96, 104, 123, 156, 164, 208, 246, 312, 328, 409, 416, 492, 533, 624, 656, 818, 984, 1066, 1227, 1248, 1312, 1599, 1636, 1968, 2132, 2454, 3198, 3272, 3936, 4264, 4908, 5317, 6396, 6544, 8528, 9816, 10634, 12792, 13088, 15951, 16769, 17056, 19632, 21268, 25584, 31902, 33538, 39264, 42536, 50307, 51168, 63804, 67076, 85072, 100614, 127608, 134152, 170144, 201228, 217997, 255216, 268304, 402456, 435994, 510432, 536608, 653991, 804912, 871988, 1307982, 1609824, 1743976, 2615964, 3487952, 5231928, 6975904, 10463856, 20927712]

約数ペア:

[(1, 20927712), (2, 10463856), (3, 6975904), (4, 5231928), (6, 3487952), (8, 2615964), (12, 1743976), (13, 1609824), (16, 1307982), (24, 871988), (26, 804912), (32, 653991), (39, 536608), (41, 510432), (48, 435994), (52, 402456), (78, 268304), (82, 255216), (96, 217997), (104, 201228), (123, 170144), (156, 134152), (164, 127608), (208, 100614), (246, 85072), (312, 67076), (328, 63804), (409, 51168), (416, 50307), (492, 42536), (533, 39264), (624, 33538), (656, 31902), (818, 25584), (984, 21268), (1066, 19632), (1227, 17056), (1248, 16769), (1312, 15951), (1599, 13088), (1636, 12792), (1968, 10634), (2132, 9816), (2454, 8528), (3198, 6544), (3272, 6396), (3936, 5317), (4264, 4908)]